package com.itheima.ThreadPrac3;

public class Demo {
    public static void main(String[] args) {
        mythread3 t1 = new mythread3();
        mythread3 t2 = new mythread3();

        t1.setName("窗口1");
        t2.setName("窗口2");

        t1.start();
        t2.start();



    }
}
